China´s Scientists Make Breakthrough on How H5N1 Influenza Occurred in the U.S.    
submitted by kickingbird at Jul, 9, 2025 from CASAD
Chinese scientists have found out how the H5N1 virus initially invades the mammary glands of dairy cattle and may have triggered the outbreak of H5N1 avian influenza across over 1,000 dairy farms in the ...

Australia: H5 bird flu events    
submitted by kickingbird at 13 hours ago from Department of Agriculture, Fisheries and Forestry
As of 4pm AEST, 17 August 2026, Australia has 251 confirmed events of H5 bird flu in wild birds.10 in Western Australia (WA) 169 in South Australia (SA) 4 in New South Wales (NSW) 1 in Queensland (QLD) ...

Australia: H5 bird flu events    
submitted by kickingbird at 1 days ago from Department of Agriculture, Fisheries and Forestry
As of 4pm AEST, 16 August 2026, Australia has 239 confirmed events of H5 bird flu in wild birds.10 in Western Australia (WA)169 in South Australia (SA)4 in New South Wales (NSW)1 in Queensland (QLD)53 ...

Australia: H5 bird flu events    
submitted by kickingbird at 3 days ago from Department of Agriculture, Fisheries and Forestry
As of 4pm AEST, 15 August 2026, Australia has 236 confirmed events of H5 bird flu in wild birds.10 in Western Australia (WA) 166 in South Australia (SA) 4 in New South Wales (NSW) 1 in Queensland (QLD) ...

GISAID: H5N1 Bird Flu continues to circulate in the United States    
submitted by kickingbird at 3 days ago from GISAID
Clade 2.3.4.4b of the highly pathogenic avian influenza (HPAI) virus causing outbreaks in wild and domestic birds around the world, continues to spread in dairy cows, poultry and other animals across the ...

Nora Pisanic, etc.,al. [preprint]Livestock production intensity and mucosal IgA and IgG responses to H5N1 highly pathogenic avian influenza A virus, North Carolina, 2021-2022. https://doi.org/10.64898/2026.08.06.26359901.  Abstract  
submitted by kickingbird at 16 hours ago from https://doi.org/10.64898/2026.08.06.26359901
Background Direct livestock exposure is a risk factor for zoonotic influenza, including H5N1 highly pathogenic avian influenza (HPAI) A virus. But whether living in regions of high poultry and swine production ...

Ahmed M. Elsayed, etc.,al. [preprint]Enhanced Pathogenicity and Contact Transmissibility of Human-origin Avian Influenza H5N1 Clade 2.3.4.4b Genotype B3.13 Compared to D1.1 in Ferrets. https://doi.org/10.64898/2026.08.10.744032.  Abstract  
submitted by kickingbird at 16 hours ago from https://doi.org/10.64898/2026.08.10.744032
Since its emergence in 2020, multiple genotypes of the H5N1 clade 2.3.4.4b have been identified, with B3.13 and D1.1 emerging in the USA as two major and concerning genotypes. However, their relative pathogenicity ...

Duc Duong Than, etc.,al. H5N1 Clade 2.3.2.1e Lineage Transition in Lao PDR during 2023-2024 Associated with Regional Spread and Human Infection Risk-Associated Receptor-Binding Features. Front. Public Health.  Abstract  
submitted by kickingbird at 17 hours ago from Front. Public Health
Highly pathogenic avian influenza (HPAI) H5N1 viruses clade 2.3.2.1e has re-emerged in the Indochinese Peninsula, raising concerns about regional spread and zoonotic risk. We characterized eight H5N1 viruses ...

Deng W, Xiang S, Che R, Guo Q, Li S, Cao J, Liu Z,. A cross-sectional study of avian influenza virus in poultry markets of Guangdong China, 2025. Front. Cell. Infect. Microbiol., 11 August 2026.  Abstract  
submitted by kickingbird at 17 hours ago from Front. Cell. Infect. Microbiol., 11 August 2026
Background: Guangdong, China is a critical epicenter for avian influenza virus (AIV) emergence, where H5N1 and highly pathogenic H7N9 were first identified. Monitoring AIV genotype distribution and genetic ...

Granstad S, T?nnessen R, Ytrehus B, Descamps S, Mo. Multiple introductions of highly pathogenic avian influenza viruses into the High Arctic: Svalbard and Jan Mayen, 2022-2025. J Gen Virol. 2026 Aug;107(8).  Abstract  
submitted by kickingbird at 17 hours ago from J Gen Virol. 2026 Aug;107(8)
Between 2022 and 2025, highly pathogenic avian influenza viruses (HPAIVs) of clade 2.3.4.4b, including four distinct H5 Eurasian (EA) genotypes, were detected in wild birds and mammals in the Svalbard ...